An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. the basic instrument cannot function without one or more plug-in units (as required) in position.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6645-00-570-8472
NSN 6650-00-829-4122
NSN 5999-01-527-3852
NSN 6145-01-599-7239
NSN 5925-01-501-8667
NSN 6645-00-421-5287
NSN 6645-01-481-9834
NSN 5985-01-529-6254
NSN 5920-01-349-3488
NSN 5925-00-181-4158
NSN 6620-01-435-8672
NSN 5915-01-501-5895